datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,09 0:30:00,30 ,0.542989, 2.87455,1.572342,0.623919
sgpcmbeC1.c1,2005,09 1:30:00,30 , 0.72578,3.867023,1.717129,0.839457
sgpcmbeC1.c1,2005,09 2:30:00,30 ,0.555274,7.436095,1.712039,1.327355
sgpcmbeC1.c1,2005,09 3:30:00,30 ,0.601098,2.601844,1.324218,0.581421
sgpcmbeC1.c1,2005,09 4:30:00,30 ,0.511846,3.755898,1.567422,0.768127
sgpcmbeC1.c1,2005,09 5:30:00,30 ,0.542663,2.871921,1.511222,0.659238
sgpcmbeC1.c1,2005,09 6:30:00,30 ,0.767866,5.750681,2.812214,1.283394
sgpcmbeC1.c1,2005,09 7:30:00,30 ,1.787798,8.771882,5.327229,1.882642
sgpcmbeC1.c1,2005,09 8:30:00,30 ,1.800906,12.61988,6.849335,2.315443
sgpcmbeC1.c1,2005,09 9:30:00,30 ,2.955852,  7.9843,5.819613,1.122704
sgpcmbeC1.c1,2005,0910:30:00,30 ,3.013862,10.26537,4.855969,1.619955
sgpcmbeC1.c1,2005,0911:30:00,30 ,2.016721,10.11531, 4.29789,1.698711
sgpcmbeC1.c1,2005,0912:30:00,30 ,1.433946, 11.4157,3.659778,2.212889
sgpcmbeC1.c1,2005,0913:30:00,30 , 1.09643,8.243047,2.826549,1.778005
sgpcmbeC1.c1,2005,0914:30:00,30 ,1.428981,9.507769,3.525939,2.312713
sgpcmbeC1.c1,2005,0915:30:00,30 , 1.43247,7.490938, 3.31961,1.377708
sgpcmbeC1.c1,2005,0916:30:00,30 ,1.406537,5.921849,3.333598,1.061306
sgpcmbeC1.c1,2005,0917:30:00,30 ,1.418145,6.683929,4.291256,1.364199
sgpcmbeC1.c1,2005,0918:30:00,30 ,1.560914,10.03245,6.094383,1.823112
sgpcmbeC1.c1,2005,0919:30:00,30 ,0.860657,7.120595,3.110998,1.444968
sgpcmbeC1.c1,2005,0920:30:00,30 ,0.555381,4.295672,2.228589,1.002242
sgpcmbeC1.c1,2005,0921:30:00,30 ,0.705932,5.167086,2.494941,1.164029
sgpcmbeC1.c1,2005,0922:30:00,30 ,0.685466, 7.92632,2.184441,1.494513
sgpcmbeC1.c1,2005,0923:30:00,30 ,0.932621,3.242585, 1.76233,0.649729